Pith Number

pith:2EHDHJ4F

pith:2025:2EHDHJ4FJEKLARU2YGLQ7SWKJT

not attested not anchored not stored refs pending

Semantic Segmentation for Sequential Historical Maps by Learning from Only One Map

Frank Thiemann, Monika Sester, Yunshuang Yuan

arxiv:2501.01845 v1 · 2025-01-03 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2EHDHJ4FJEKLARU2YGLQ7SWKJT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T09:56:41.955804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d10e33a7854914b0469ac1970fcaca4ce7a96a8a0d70766eb4f0cb68e0c34ed9

Aliases

arxiv: 2501.01845 · arxiv_version: 2501.01845v1 · doi: 10.48550/arxiv.2501.01845 · pith_short_12: 2EHDHJ4FJEKL · pith_short_16: 2EHDHJ4FJEKLARU2 · pith_short_8: 2EHDHJ4F

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2EHDHJ4FJEKLARU2YGLQ7SWKJT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d10e33a7854914b0469ac1970fcaca4ce7a96a8a0d70766eb4f0cb68e0c34ed9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b22718da1780a46cf7f9c9b2ba1b02e611324e0d5f93947893c824843abdce73",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-03T14:55:22Z",
    "title_canon_sha256": "1555b897869f1eee6df9fcf4c84b63f2e8109457b86378f2730250e51b82f3b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.01845",
    "kind": "arxiv",
    "version": 1
  }
}